Electropneumatic channeler.



PATENTED APR. 24', 190.6. 7

A. H. GIBSON.

ELEOTROPNEUMATIO GHANNELER.

APPLICATION FILED DEC. 15, 1905.

N0. 819,011. PATENTED APR. 24, 190a. A.-H. GIBSON.

ELEGTROPNEUMATIC CHANNELER.

APPLICATION FILED DEC. 15, 1905.

2 SHEETSSHEET 2.

the front and back of UNITED PATENT OFFICE.

ARTHUR H. GIBSON, OF EASTON, PENNSYLVANIA, A SSIGNOR TO INGERSOLL-RAND QOMPANYQOF NEW YORK, N. Y., A CORPO- RATION OF NEW JERSEY. I

ELEOTROPNEUMATIQ CHANNELEH.

Serial )l'u. 291,842.

No. s 1'9,o1 1.

Application filed December 15, 1905.

cation with the restricted outlet 17 at pleas ure. lly-operated valve 19 is mounted in the cylinder I1, and passages pipe 4 and space S, rcspectively, to the face of the said valve. A t ird passage 22 leads from the face of the valve 19.to a reserve-fluid chamber 23, in the present instance through a pipe 24. The

To all whom' it may concern.-

Be it known that I, ARTHUR H. GIBSON, a subject of the King of Great Britain, and a resident of Easton, in the county of N orthampton and State of Penns lvania, have invented a new and useful Improvement in Electropneumatic Channelers, of which the followin is a specification. I

The ject of this present invention is to manually-operated valve 19 is provided with provide certain improvements in electroa port 25, which is arranged to bring the passage 21 into open communication with the pneumatic channelers, in which the tool-piston is operated by reciprocating columns of air from a presser.

In the accompanying drawings, Figure 1' represents an electropneumatic channeler in i.

passage 20, and thereby the pipe 4 into communication with the assage 22, and thereby the chamber 23, at p easure. Handles 26 27 may be provided for the valves 14 and 19.

In operation when both of the spaces 8 and 9 are in open communication with their pipes .4 and the tool-piston will operate in unison with the presser-piston.

When it is desired to reduce the blow of the e elevation, a portion of the presser being s own in section, the flexible tubes between the presser and tool-cylinder beingshown broken away. Fig. 2 represents the tool-cylinder in top plan. Fi 3 represents the same in longitudinal centra section. Fig. 4 is a detail sectional view showing the manually-operatedvalve for the space at the back side of the tool-piston turned in position to bring the space into open communication with the atmosph re through a restricted outlet. Fig. 5 is a 'drlall section showing the manuallyoperated valve for controlling communication from the space at the pther side of the tool-piston either to the motive-fluid pipe or the reserve-fluid chamber, the valve being shown in position to bring the said space into open communication with the reserve-fluid chamber; and Fig; 6 is an enlarged section of the said valve.

An electropneumatic presser is shown for drivin the tool, the motor of which is denoted y 1, the presser-cylinder by 2, and its Flexible pipes 4 and 5 trunk-piston by 3. I lead from the spaces 6 and 7 at the back and the spaces 8 and 9 at front of the piston 3 to the tool-piston 10 in This piston 10 hasthe usual front rod'12 and tail-rod 13. A manuall -operated valve 14 is mounted in the cyl in e1 11, and passages 15 and 16 lead from the pi e 5"and the space 9 to the face of the said va ive. A restricted'outlet 17 also leads from the face of the valve 14 to the external atpipe 4'a nd opened to the reserve-fluid chamber 23. desirable where it is desired to ease the tool in tight places by working it up and down or to cut through difficult partswhere a hard blow would injure the tool.

In order to keep the pressure in the space 8, reserve-fluid chamber 23, and pipe 24 up to the desired ressure to accomplish the above result, it is c esirable that a valved assage be arranged in the manually-operated valve 19 through which air may leak from the pipe 4 into the'said space, chamber, and pipe, thus overcoming the reduction of pressure owing to leakage past the front rod 12. passage in the valve 19, referred to, coinprises a small aperture 19*, COIILLOIIQK by a spring-actuated valve 19**, arranged to per mit pressure to pass by the same from the pipe 4, but to close the aperture against the passage of air to the pipe 4. It will be seen that when the space S is closed to the pi e 4 the presser has to compress all of its li ting air into the pipe 4, thus raising the air to a hi her pressure than is usual and imposing a igher torque 011 the presser crank-shaft than where the tool is working in unison with the presser, but consumes no power, since the crank-shaft .re-

the tool-cylinder 11.

mosphere, and the valve 14 is provided with a I port 18, which is arranged to bring the pasceives the energy backagam after turnmgr sage 16. from the space 9 into open communi over at center.

When it is desired to dislodge the tool after cation; with the pipe 5 or into open communi tool, the space S'in front of the tool-piston 1O The valved the accompanying it has been'become jammed, the valve 14 is turned into position to cut oii communication from the space 9 back of the tool-piston to the pipe 5 and at the same time open com- 5 munication from the space 9 to atmosphere the utilization of all of t e pressure in front oi the piston. As the piston rises under this abnormalv pressure it will be prevented from striking the back'head of t e cylinder because of the restricted outlet 17 bein ,sufliciently small to cause the'air back of t e pistonto cushion it to a sufiicient extent. 7

While Ihave shown the tool-cylinder in zontally,it is to be understood that it may be used either horizontally. or vertically or at any angle desired to suit the work to be done. What I claim is Y 1. Atoolpiston,its cylinder, pipes for supplying motive site sides of the amunication etween the space at one side of thepiston and one of the pipes and open ing the said space to atmosphere. v

2. A tool-piston,its cylinder,pipes for s11p plying motive-fluid alternately to the opposite sides of the piston and means for closing communication etween the space at one side of the piston and one of the pipes and opening the said space to atmosphere through a restricted outlet. 1

' 3. A tool piston, its cylinder, pipes for supplying motive fluid alternately to the opposite sides of the piston and means for closing. communication between the space at the back side ofthepiston and one o'f the pipes and o suing the said space to atmosphere. 4

lyin motive fluid'alternatcl to the o 0- Site si des of the piston and me anslfor cldsihg communication between the space at the back side of the piston and one of the pipes and opening the said space, .to atmosphere through a restricted outlet. 1 5 A tool-piston, its cylinden pipes for sup- Rlymg site sides of the piston and amanually-operated valve for closing communication between the space at one side of the piston and one of the p pes and opening the said space to atmosphere;

6. A'tool-piston, its cylinder, pipes for supplying motive fluid alternately to theopposite sides of the piston and a manually-operated valve for closing communication between the space at one side of the piston and one of the pipes and opening the said spaceto atmosphere through a restricted outlet 7. tool-piston, its cylinder, pipes for supdrawings as disposed hori' fluid alternately. to the OPPO'? piston and means for closing tool-piston, its cylinder, pipes for sup-- motive fluid alternately to the oppo- Qisplying motive her, a valve and passages front side of thepiston and I 0 en communication between said space and ..t e reserve-fluid chamber.

supplying motive fluid alternately to the opposite sides of the piston and a manually-operated valve for closing communication between the s ace at the backside of the piston, and one o the ipes, and opening the said space to atmosp ere.- k1

i 8. A tool-piston, its cylinder, pipes for sup'' plying motive fluid alternately to the opposite sides of the piston and a manually-operated valve for .closin communication be'-. tween the space at the ack side of the piston and one of the pipes and opening the said space to atmosphere through a restricted outlet. I

9. A tool-piston, its cylinder, pipes for supplying motive fluid alternately to. the oppoa reserve-fluid chamleading respectively site sides of the piston,

from one of the pipes, from the space at one side of the piston and from the reserve-fluid chamber to the face of the valve, the said valve being arranged to closecommunication between the said space and pipe and to open communication between the said space and reserve-fluid chamber.

10. A tool-piston, its cylinder, pipes for supplying motive fluid alternately to the opposite sides of the piston, a reserve-fluid .chamber, a manually operated valve and passages leading respectively fr from one of'the PlP 0m the space at one side of the piston and from the reserve-fluid chamber to the face of the valve, the said valve being arranged to close communication between said space and pipe and to'open communication betweenthe said space and reserve-fluid chamber. v f

v 11'..A tool piston, its cylinder, pipes for supplying motive fluid alternately to the opposite sides of the piston, a reserve-fluid chamber, a valve and passages leading respectively 'fromone of the pipes, s ace at thefront side of the piston and from t e reserve-fluid chamber to the face of the I valve, the said valve being arranged to close communication between the space at the pipes for fluid alt'ernately'to the opposite sides of the piston/a reserve-fluid 12. Ait'o ol piston, its cylinder,

chamber, ,a manually operated valve and passages leading respectively from one of the pipes, from the space at the front side of the piston and from the reserve-fluid chamber to the face of the valve, said manually-operated valve being arranged to close communication between the space at the front side of the pis-. ton .ands'aidpipe and to open commumcation between said space and the reserve-fluid chamber. 1

. 13 A tool-piston, its cylinder, pipes for supplying motiverfluid alternately to the opposite sides of the piston, a reserve fluid from the said pipe and to chamber, means for closing communication Intest im I I i I on that I. 1

beiglween 13%18 space at one sldeof the piston my-invention have sig' nzii m l ia jiii e a iil e s Io fan one o the p1 es and opening sa d space) ence of two witnesses this 13th da 0 Deo atmos here an means for closmg commucember, 1905. y

5 nication etween the space at the other 'side HUR of the piston and the other of the pipes and Witnesses: H- GIBSON- openlng conimunicatlon between said space FREDK. HAYNES 5 and the reserve-fluid chamber. O. S. SUNDGREN -It is hereby certified that in Letters Patent No. 819,011, granted April 24, 1906, upon the application of A-rthnrH. Gibson, of Easton, Pennsylvania, for an improve: ment in Electropneumiatie Channelers, errors appear requiring correction, as follows:

E In the specification and c1aims ,the word resser wherever it oceurs should read I ressmand the word pre'ssers should read pressors; and that the said 'Letters- Patentshould be read with these corrections therein that the same may conform to the recordof the case in the Patent Oflice.

Signed and sealed this 15:11 day of Ma a. 1)., 1906.

' F. I. ALLEN,

, Commissioner of Patents.

[sEAL] chamber, means for closing communication Intest im I I i I on that I. 1

beiglween 13%18 space at one sldeof the piston my-invention have sig' nzii m l ia jiii e a iil e s Io fan one o the p1 es and opening sa d space) ence of two witnesses this 13th da 0 Deo atmos here an means for closmg commucember, 1905. y

5 nication etween the space at the other 'side HUR of the piston and the other of the pipes and Witnesses: H- GIBSON- openlng conimunicatlon between said space FREDK. HAYNES 5 and the reserve-fluid chamber. O. S. SUNDGREN -It is hereby certified that in Letters Patent No. 819,011, granted April 24, 1906, upon the application of A-rthnrH. Gibson, of Easton, Pennsylvania, for an improve: ment in Electropneumiatie Channelers, errors appear requiring correction, as follows:

E In the specification and c1aims ,the word resser wherever it oceurs should read I ressmand the word pre'ssers should read pressors; and that the said 'Letters- Patentshould be read with these corrections therein that the same may conform to the recordof the case in the Patent Oflice.

Signed and sealed this 15:11 day of Ma a. 1)., 1906.

' F. I. ALLEN,

, Commissioner of Patents.

[sEAL] \JUIIUULIUXIO Ill LU -LUIO IQL L U UI yUII It is hereby certified that in Letters Patent No. 819,011, granted April 24, 1906, upon the application of Arthur H. Gibson, of Easton, Pennsylvania, for an improvement in Electropueum atic Ghannelers, errors appear requiring correction, as follows:

In the specification and claims the word resser wherever it occurs should read pressor and the word pressers should read presaors; and that the said Letters Patent should be read with these corrections therein that the same may conform to the record 1 of the case in the Patent Ofiice.

Signed and sealed this 15th day of May, A. 1)., 1906.

F. I. ALLEN,

Commissioner of Patents.

[SEAL] 

